Features
■ Shielded construction
■ Carbonyl powder core
■ High saturation current
■ Inductance range: 0.10 to 10 µH
■ AEC-Q200 compliant
■ RoHS compliant* and halogen free**
SRP1238A Series - Shielded Power Inductors
Electrical Specifications @ 25 °C
General Specifications
Test Voltage....................................1.0 V
Test Frequency......................... 100 KHz
Operating Temperature
................................-55 °C to +150 °C
(Temperature rise included)
Storage Temperature
................................-55 °C to +150 °C
Rated Current
............ Inductance drops 20 % at Isat
Temperature Rise.....40 °C at rated Irms
Moisture Sensitivity Level.....................1
ESD Classification (HBM).................N/A
Inductance
@ 100 KHz
Q (Min.)
SRF
DCR
(mΩ)
Typ.
DCR
(mΩ)
Max.
Irms
(A)
Bourns
Part Number
Isat
(A)
Terminal
Type
/ 1 V
Tol.
(μH) (%)
@100 KHz (MHz)
/ 1 V
Typ.
L
SRP1238A-R10Y 0.10 ± 30
SRP1238A-R15Y 0.15 ± 30
SRP1238A-R22M 0.22 ± 20
SRP1238A-R33M 0.33 ± 20
SRP1238A-R47M 0.47 ± 20
SRP1238A-R60M 0.60 ± 20
SRP1238A-R68M 0.68 ± 20
SRP1238A-R82M 0.82 ± 20
10
10
10
10
10
15
15
15
15
20
20
20
20
20
20
20
20
20
20
175
140
125
85
80
53
50
45
40
35
30
27
25
20
15
15
13
12
11
0.36
0.4
0.7
0.85
1.2
1.5
1.9
2.2
2.7
4
0.43
0.48
43
41
84
75
65
62
55
51
49
44
40
37
35
30
29
27
24
19
18
16
14
Non-
Lead
Frame
0.81 38.5
1.0
1.8
36.5
32
29
28
25
24
21
19
17
16
12
10
9.5
9
2.2
2.5
3.0
1
Circuit design, component, PCB trace
SRP1238A-1R0M
SRP1238A-1R2M
SRP1238A-1R5M
SRP1238A-1R8M
SRP1238A-2R2M
SRP1238A-3R3M
SRP1238A-4R7M
SRP1238A-5R6M
SRP1238A-6R8M
SRP1238A-8R2M
SRP1238A-100M
1.0 ± 20
1.2 ± 20
1.5 ± 20
1.8 ± 20
2.2 ± 20
3.3 ± 20
4.7 ± 20
5.6 ± 20
6.8 ± 20
8.2 ± 20
3.5
size and thickness, airflow and other
cooling provisions all affect the part
temperature. Part temperature should be
verified in the end application.
4.0
4.8
5.2
6.3
11
5.5
7.0
Lead
Frame
8.0
Materials
13.5
18.5
22.0
24.0
28.0
34.0
15.3
18
Core.............................Carbonyl powder
Wire ............................Enameled copper
Terminal Finish ...................................Sn
Packaging....... 500 pcs. per 13-inch reel
20
23
8.5
7
10
± 20
29
How to Order
Product Dimensions
SRP1238A - 100M
Non-Lead Frame Terminal
Lead Frame Terminal
Model
13.5 0.5
(.531 .020ꢀ
13.5 0.5
(.531 .020ꢀ
Value Code (see table)
Recommended Layout
3R3
1510
R15
1510
14.2
(.559ꢀ
5.0
(.197ꢀ
12.5 0.3
(.492 .012ꢀ
3.3 0.2
(.130 + .008ꢀ
12.5 0.3
(.492 .012ꢀ
3.3 0.2
(.130 + .008ꢀ
8.0
(.315ꢀ
2.75 0.35
(.108 .014ꢀ
2.75 0.35
(.108 .014ꢀ
2.3 0.3
(.091 .012ꢀ
2.3 0.3
(.091 .012ꢀ
MM
DIMENSIONS:
2.0
(.079ꢀ
REF.
2.0
(.079ꢀ
REF.
(INCHESꢀ
GRADUATED
LINE
GRADUATED
LINE
Please consult Bourns® Model SRP-A
Series Visual Inspection Guide for detailed
construction, processing and testing
information.
4.7 0.3
(.185 .012ꢀ
4.7 0.3
(.185 .012ꢀ
MM
DIMENSIONS:
(INCHESꢀ
* RoHS Directive 2015/863, Mar 31, 2015 and Annex.
**Bourns considers a product to be “halogen free” if (aꢀ the Bromine (Brꢀ content is 900 ppm or less; (bꢀ the Chlorine
(Clꢀ content is 900 ppm or less; and (cꢀ the total Bromine (Brꢀ and Chlorine (Clꢀ content is 1500 ppm or less.
Specifications are subject to change without notice.
WARNING
Cancer and Reproductive Harm
www.P65Warnings.ca.gov
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of
this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
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